Fact Family Add Sub Within 10 Find Family — Set 17
Write the fact family for 21, 18, 39:
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Answer: 21 + 18 = 39; 18 + 21 = 39; 39 - 21 = 18; 39 - 18 = 21
- SubType
- fact-family
- Facts
- 21 + 18 = 39
- 18 + 21 = 39
- 39 - 21 = 18
- 39 - 18 = 21
- Difficulty
- normal
Write the fact family for 46, 2, 48:
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Answer: 46 + 2 = 48; 2 + 46 = 48; 48 - 46 = 2; 48 - 2 = 46
- SubType
- fact-family
- Facts
- 46 + 2 = 48
- 2 + 46 = 48
- 48 - 46 = 2
- 48 - 2 = 46
- Difficulty
- normal
Write the fact family for 45, 1, 46:
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Answer: 45 + 1 = 46; 1 + 45 = 46; 46 - 45 = 1; 46 - 1 = 45
- SubType
- fact-family
- Facts
- 45 + 1 = 46
- 1 + 45 = 46
- 46 - 45 = 1
- 46 - 1 = 45
- Difficulty
- normal
Write the fact family for 30, 12, 42:
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Answer: 30 + 12 = 42; 12 + 30 = 42; 42 - 30 = 12; 42 - 12 = 30
- SubType
- fact-family
- Facts
- 30 + 12 = 42
- 12 + 30 = 42
- 42 - 30 = 12
- 42 - 12 = 30
- Difficulty
- normal
Write the fact family for 38, 4, 42:
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Answer: 38 + 4 = 42; 4 + 38 = 42; 42 - 38 = 4; 42 - 4 = 38
- SubType
- fact-family
- Facts
- 38 + 4 = 42
- 4 + 38 = 42
- 42 - 38 = 4
- 42 - 4 = 38
- Difficulty
- normal
Write the fact family for 41, 8, 49:
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Answer: 41 + 8 = 49; 8 + 41 = 49; 49 - 41 = 8; 49 - 8 = 41
- SubType
- fact-family
- Facts
- 41 + 8 = 49
- 8 + 41 = 49
- 49 - 41 = 8
- 49 - 8 = 41
- Difficulty
- normal
Teaching Notes
Download this free fact family add sub within 10 find family math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Frequently Asked Questions
How do I use this Fact Family Add Sub Within 10 Find Family Math Worksheet worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.